| Package | Affected versions | Patched versions |
|---|---|---|
| libidn | ≤ 1.30 |
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.
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